New lite home made scss processor

core/management/commands/compilestatic.py

@@ -26,10 +26,22 @@
 import os
 import sass
 from django.core.management.base import BaseCommand
+from django.conf import settings
+
 
 class Command(BaseCommand):
     help = "Compile scss files from static folder"
 
+    def compile(self, filename):
+        args = {
+            "filename": filename,
+            "include_paths": settings.STATIC_ROOT,
+        }
+        if settings.SASS_PRECISION:
+            args['precision'] = settings.SASS_PRECISION
+        return sass.compile(**args)
+
+
     def is_compilable(self, file, ext_list):
         path, ext = os.path.splitext(file)
         return ext in ext_list
@@ -48,9 +60,8 @@ class Command(BaseCommand):
 
     def compilescss(self, file):
         print("compiling %s" % file)
-        with open(file, "r") as oldfile:
-            with open(file.replace('.scss', '.css'), "w") as newfile:
-                newfile.write(sass.compile(string=oldfile.read()))
+        with(open(file.replace('.scss', '.css'), "w")) as newfile:
+            newfile.write(self.compile(file))
 
     def removescss(self, file):
         print("removing %s" % file)
@@ -58,10 +69,10 @@ class Command(BaseCommand):
 
     def handle(self, *args, **options):
 
-        if 'static' in os.listdir():
+        if os.path.isdir(settings.STATIC_ROOT):
             print("---- Compiling scss files ---")
-            self.exec_on_folder('static', self.compilescss)
+            self.exec_on_folder(settings.STATIC_ROOT, self.compilescss)
             print("---- Removing scss files ----")
-            self.exec_on_folder('static', self.removescss)
+            self.exec_on_folder(settings.STATIC_ROOT, self.removescss)
         else:
-            print("No static folder avalaible, please use collectstatic before compiling scss")
\ No newline at end of file
+            print("No static folder avalaible, please use collectstatic before compiling scss")

core/scss/finder.py

+#!/usr/bin/env python3
+# -*- coding:utf-8 -*
+#
+# Copyright 2016,2017
+# - Sli <antoine@bartuccio.fr>
+#
+# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
+# http://ae.utbm.fr.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License a published by the Free Software
+# Foundation; either version 3 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#
+
+import os
+from collections import OrderedDict
+from django.conf import settings
+from django.contrib.staticfiles.finders import FileSystemFinder
+from django.core.files.storage import FileSystemStorage
+
+
+class ScssFinder(FileSystemFinder):
+    """
+    Find static *.css files compiled on the fly
+    """
+    locations = []
+
+    def __init__(self, apps=None, *args, **kwargs):
+        location = settings.STATIC_ROOT
+        if not os.path.isdir(location):
+            return
+        self.locations = [
+            ('', location),
+        ]
+        self.storages = OrderedDict()
+        filesystem_storage = FileSystemStorage(location=location)
+        filesystem_storage.prefix = self.locations[0][0]
+        self.storages[location] = filesystem_storage
+
+    def find(self, path, all=False):
+        if path.endswith('.css'):
+            return super(ScssFinder, self).find(path, all)
+        return []

core/scss/processor.py

+#!/usr/bin/env python3
+# -*- coding:utf-8 -*
+#
+# Copyright 2016,2017
+# - Sli <antoine@bartuccio.fr>
+#
+# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
+# http://ae.utbm.fr.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License a published by the Free Software
+# Foundation; either version 3 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#
+
+import os
+import sass
+from django.utils.encoding import force_bytes, iri_to_uri
+from django.core.files.base import ContentFile
+from django.utils.six.moves.urllib.parse import urljoin
+from django.templatetags.static import static
+from django.conf import settings
+from .storage import ScssFileStorage, find_file
+
+
+class ScssProcessor(object):
+    prefix = iri_to_uri(getattr(settings, 'STATIC_URL', '/static/'))
+    storage = ScssFileStorage()
+    scss_extensions = [".scss"]
+
+    def __init__(self, path=None):
+        self.path = path
+
+    def _convert_scss(self):
+        basename, ext = os.path.splitext(self.path)
+        css_filename = self.path.replace(".scss", ".css")
+        url = urljoin(self.prefix, css_filename)
+
+        if not settings.DEBUG:
+            return url
+
+        if ext not in self.scss_extensions:
+            return static(self.path)
+
+        # Compilation on the fly
+        compile_args = {
+            "filename": find_file(self.path),
+            "include_paths": settings.SASS_INCLUDE_FOLDERS,
+        }
+        if settings.SASS_PRECISION:
+            compile_args['precision'] = settings.SASS_PRECISION
+        content = sass.compile(**compile_args)
+        content = force_bytes(content)
+
+        if self.storage.exists(css_filename):
+            self.storage.delete(css_filename)
+        self.storage.save(css_filename, ContentFile(content))
+        print("saved")
+
+        return url
+
+    def get_converted_scss(self):
+        if self.path:
+            return self._convert_scss()
+        else:
+            return ""

core/scss/storage.py

+#!/usr/bin/env python3
+# -*- coding:utf-8 -*
+#
+# Copyright 2016,2017
+# - Sli <antoine@bartuccio.fr>
+#
+# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
+# http://ae.utbm.fr.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License a published by the Free Software
+# Foundation; either version 3 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#
+
+from django.conf import settings
+from django.contrib.staticfiles.finders import get_finders
+from django.core.files.storage import FileSystemStorage
+
+
+class ScssFileStorage(FileSystemStorage):
+    def __init__(self, location=None, base_url=None, *args, **kwargs):
+        if location is None:
+            location = settings.STATIC_ROOT
+        if base_url is None:
+            base_url = settings.STATIC_URL
+        super(ScssFileStorage, self).__init__(location, base_url, *args, **kwargs)
+
+
+def find_file(path):
+    for finder in get_finders():
+        result = finder.find(path)
+        if result:
+            return result

core/templates/core/base.jinja

@@ -8,7 +8,8 @@
         <link rel="stylesheet" href="{{ static('core/jquery.datetimepicker.min.css') }}">
         <link rel="stylesheet" href="{{ static('core/js/ui/jquery-ui.min.css') }}">
         <link rel="stylesheet" href="{{ static('ajax_select/css/ajax_select.css') }}">
-        <link href="{% sass_src 'core/style.scss' %}" rel="stylesheet" type="text/css" />
+        {# <link href="{% sass_src 'core/style.scss' %}" rel="stylesheet" type="text/css" /> #}
+        <link href="{{ scss('core/style.scss') }}" rel="stylesheet" type="text/css" />
         {% endblock %}
     </head>
 

core/templatetags/scss.py

+#!/usr/bin/env python3
+# -*- coding:utf-8 -*
+#
+# Copyright 2016,2017
+# - Sli <antoine@bartuccio.fr>
+#
+# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
+# http://ae.utbm.fr.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License a published by the Free Software
+# Foundation; either version 3 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#
+
+from django import template
+from core.scss.processor import ScssProcessor
+
+register = template.Library()
+
+
+@register.simple_tag()
+def scss(path):
+    processor = ScssProcessor(path)
+    return processor.get_converted_scss()

requirements.txt

@@ -13,6 +13,4 @@ django-haystack
 whoosh
 django-debug-toolbar
 libsass
-django-compressor
-django-sass-processor
 # mysqlclient

sith/settings.py

@@ -72,7 +72,6 @@ INSTALLED_APPS = (
     'rest_framework',
     'ajax_select',
     'haystack',
-    'sass_processor',
     'core',
     'club',
     'subscription',
@@ -134,7 +133,6 @@ TEMPLATES = [
                 "django_jinja.builtins.extensions.UrlsExtension",
                 "django_jinja.builtins.extensions.StaticFilesExtension",
                 "django_jinja.builtins.extensions.DjangoFiltersExtension",
-                "sass_processor.jinja2.ext.SassSrc",
             ],
             "filters": {
                 "markdown": "core.templatetags.renderer.markdown",
@@ -149,6 +147,7 @@ TEMPLATES = [
                 "ProductType": "counter.models.ProductType",
                 "timezone": "django.utils.timezone",
                 "get_sith": "com.views.sith",
+                "scss": "core.templatetags.scss.scss",
             },
             "bytecode_cache": {
                 "name": "default",
@@ -186,10 +185,6 @@ HAYSTACK_SIGNAL_PROCESSOR = 'core.search_indexes.UserOnlySignalProcessor'
 
 SASS_PRECISION = 8
 
-SASS_OUTPUT_STYLE = 'compact'
-
-SASS_TEMPLATE_EXTS = ['.jinja']
-
 WSGI_APPLICATION = 'sith.wsgi.application'
 
 
@@ -242,7 +237,7 @@ STATIC_ROOT = './static/'
 STATICFILES_FINDERS = [
     'django.contrib.staticfiles.finders.FileSystemFinder',
     'django.contrib.staticfiles.finders.AppDirectoriesFinder',
-    'sass_processor.finders.CssFinder',
+    'core.scss.finder.ScssFinder',
 ]
 
 # Auth configuration
@@ -567,3 +562,6 @@ if DEBUG:
         'debug_toolbar.panels.logging.LoggingPanel',
         'debug_toolbar.panels.redirects.RedirectsPanel',
     ]
+    SASS_INCLUDE_FOLDERS = [
+        'core/static/',
+    ]